Breaking News

Rambus Inc (RMBS)

Symbol	Exchange	Currency
RMBS	NASDAQ	USD	Real-time
1RMBS	Milan	EUR	Real-time
RMBS	TradeGate	EUR	Delayed

Add to/Remove from a Portfolio Add to Watchlist

91.03 +1.45 +1.62%

31/07 - Closed. Currency in USD

After Hours

90.10

-0.93

-1.02%

1:51:45 - Real-time Data

Type: Equity

Market: United States

Volume: 2,435,726
Bid/Ask: 0.00 / 0.00
Day's Range: 89.09 - 95.50

General
Chart
- Streaming Chart
- Interactive Chart
News & Analysis
- News
- Opinion & Analysis
Financials
Technical
Forum

Rambus Option Chain

Get free option data for RMBS. You'll find Call and Put Strike Prices, Last Price, Change, Volume, Implied Volatility, Theoretical and Greeks for Rambus options for the expiration dates selected. Below this information you can also find an open interest chart for the stock's options.

Expiration Date:

Show:

Strike Price:

Quotes Analysis

Jul 31, 2026 20:43 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	41.8	46	0	47.50	0	0%	0	0.15	0
RMBS Call 47.50 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolRMBS\|20260821\|47.50C Delta0.9587 Imp Vol1.7711 Bid41.8 Gamma0.0023 Theoretical43.9 Ask46 Theta-0.0853 Intrinsic Value43.53 Volume0 Vega0.0192 Time Value-43.53 Open Interest80 Rho0.0247 Delta / Theta-11.2441 RMBS Put 47.50 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolRMBS\|20260821\|47.50P Delta-0.008 Imp Vol1.1901 Bid0 Gamma0.0008 Theoretical0.08 Ask0.15 Theta-0.0134 Intrinsic Value-43.53 Volume0 Vega0.0048 Time Value43.53 Open Interest357 Rho-0.0004 Delta / Theta0.5962
0	0%	39.8	43.4	0	50.00	0	0%	0	1	0
RMBS Call 50.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolRMBS\|20260821\|50.00C Delta0.949 Imp Vol1.7412 Bid39.8 Gamma0.0028 Theoretical41.6 Ask43.4 Theta-0.0987 Intrinsic Value41.03 Volume0 Vega0.0227 Time Value-41.03 Open Interest6 Rho0.0255 Delta / Theta-9.6157 RMBS Put 50.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolRMBS\|20260821\|50.00P Delta-0.0338 Imp Vol1.5082 Bid0 Gamma0.0023 Theoretical0.5 Ask1 Theta-0.0582 Intrinsic Value-41.03 Volume0 Vega0.0163 Time Value41.03 Open Interest234 Rho-0.0019 Delta / Theta0.5804
0	0%	35.5	38.6	0	55.00	0.23	-8%	0	0.45	1
RMBS Call 55.00 Exp: Aug 21, 2026 Last: 0 Chg.: 0% SymbolRMBS\|20260821\|55.00C Delta0.9269 Imp Vol1.665 Bid35.5 Gamma0.0038 Theoretical37.05 Ask38.6 Theta-0.1242 Intrinsic Value36.03 Volume0 Vega0.0301 Time Value-36.03 Open Interest10 Rho0.027 Delta / Theta-7.4655 RMBS Put 55.00 Exp: Aug 21, 2026 Last: 0.23 Chg.: -8% SymbolRMBS\|20260821\|55.00P Delta-0.0226 Imp Vol1.1165 Bid0 Gamma0.0022 Theoretical0.23 Ask0.45 Theta-0.0308 Intrinsic Value-36.03 Volume1 Vega0.0117 Time Value36.26 Open Interest314 Rho-0.0012 Delta / Theta0.7341
					91.03	Price @ Jul 31, 2026 20:43 GMT
8	19.4%	6.9	8.8	6	92.50	8.05	0%	7.8	10	8
RMBS Call 92.50 Exp: Aug 21, 2026 Last: 8 Chg.: 19.4% SymbolRMBS\|20260821\|92.50C Delta0.5155 Imp Vol0.9975 Bid6.9 Gamma0.0184 Theoretical7.85 Ask8.8 Theta-0.2095 Intrinsic Value-1.47 Volume6 Vega0.0866 Time Value9.47 Open Interest62 Rho0.0223 Delta / Theta-2.461 RMBS Put 92.50 Exp: Aug 21, 2026 Last: 8.05 Chg.: 0% SymbolRMBS\|20260821\|92.50P Delta-0.4925 Imp Vol0.913 Bid7.8 Gamma0.0202 Theoretical8.9 Ask10 Theta-0.1837 Intrinsic Value1.47 Volume8 Vega0.0866 Time Value6.58 Open Interest179 Rho-0.0263 Delta / Theta2.6808
6.62	16.14%	5.9	7.4	19	95.00	9.55	-15.49%	9.2	11.1	16
RMBS Call 95.00 Exp: Aug 21, 2026 Last: 6.62 Chg.: 16.14% SymbolRMBS\|20260821\|95.00C Delta0.468 Imp Vol0.9738 Bid5.9 Gamma0.0188 Theoretical6.65 Ask7.4 Theta-0.2038 Intrinsic Value-3.97 Volume19 Vega0.0864 Time Value10.59 Open Interest125 Rho0.0206 Delta / Theta-2.2969 RMBS Put 95.00 Exp: Aug 21, 2026 Last: 9.55 Chg.: -15.49% SymbolRMBS\|20260821\|95.00P Delta-0.5454 Imp Vol0.8833 Bid9.2 Gamma0.0207 Theoretical10.15 Ask11.1 Theta-0.176 Intrinsic Value3.97 Volume16 Vega0.0861 Time Value5.58 Open Interest592 Rho-0.0288 Delta / Theta3.0987
6.07	21.4%	5	6.4	10	97.50	10.51	0%	10.7	12	1
RMBS Call 97.50 Exp: Aug 21, 2026 Last: 6.07 Chg.: 21.4% SymbolRMBS\|20260821\|97.50C Delta0.4228 Imp Vol0.9665 Bid5 Gamma0.0187 Theoretical5.7 Ask6.4 Theta-0.1989 Intrinsic Value-6.47 Volume10 Vega0.085 Time Value12.54 Open Interest123 Rho0.0187 Delta / Theta-2.1264 RMBS Put 97.50 Exp: Aug 21, 2026 Last: 10.51 Chg.: 0% SymbolRMBS\|20260821\|97.50P Delta-0.6041 Imp Vol0.8328 Bid10.7 Gamma0.0214 Theoretical11.35 Ask12 Theta-0.1604 Intrinsic Value6.47 Volume1 Vega0.0836 Time Value4.04 Open Interest130 Rho-0.0315 Delta / Theta3.7658

Open Positions

Calls

Puts

© 2016 Market data provided and hosted by Barchart Market Data Solutions. Fundamental company data provided by Morningstar and Zacks Investment Research. Information is provided 'as-is' and solely for informational purposes, not for trading purposes or advice, and is delayed. To see all exchange delays and terms of use please see disclaimer.

We encourage you to use comments to engage with users, share your perspective and ask questions of authors and each other. However, in order to maintain the high level of discourse we’ve all come to value and expect, please keep the following criteria in mind:

Enrich the conversation
Stay focused and on track. Only post material that’s relevant to the topic being discussed.
Be respectful. Even negative opinions can be framed positively and diplomatically.
Use standard writing style. Include punctuation and upper and lower cases.
NOTE: Spam and/or promotional messages and links within a comment will be removed
Avoid profanity, slander or personal attacks directed at an author or another user.
Don’t Monopolize the Conversation. We appreciate passion and conviction, but we also believe strongly in giving everyone a chance to air their thoughts. Therefore, in addition to civil interaction, we expect commenters to offer their opinions succinctly and thoughtfully, but not so repeatedly that others are annoyed or offended. If we receive complaints about individuals who take over a thread or forum, we reserve the right to ban them from the site, without recourse.
Only English comments will be allowed.

Perpetrators of spam or abuse will be deleted from the site and prohibited from future registration at Investing.com’s discretion.

I have read and understood Investing.com South Africa's comment guidelines and agree to the terms described.

I Agree

RMBS Comments

Write your thoughts about Rambus Inc

Are you sure you want to delete this chart?

Delete Cancel

Post

Post also to:

Replace the attached chart with a new chart ?

Replace Cancel

1000

Comment Guidelines

Your ability to comment is currently suspended due to negative user reports. Your status will be reviewed by our moderators.

Please wait a minute before you try to comment again.

Thanks for your comment. Please note that all comments are pending until approved by our moderators. It may therefore take some time before it appears on our website.

<div id="comment">
				<div class="comment js-comment" data-comment-id="{commentID}" id="comment-{commentID}" data-user-id="">
    <div class="mainComment js-content">
       <div class="commentInnerWrapper">
        <a href="{userLink}" class="js-user-link"><img src="{userImage}" width="33" height="33" alt="{usernameAlt}" class="img" onerror="this.src='https://i-invdn-com.investing.com/defaultUserMaleTmp.png';"></a><div class="commentBody">
                					<span class="commentUsername">
                    	<a href="{userLink}" class="js-user-link js-user-name">{username}</a>
					</span>
                                <span class="js-date" comment-date="{dateFormat}" comment-date-formatted="{dateFormatted}" title="{dateTitle}">Just Now</span>
                <div class="commentDropDown js-commentDropDownWrapper " data-user-id="" data-cid="{commentID}">
	<a href="javascript:void(0);" class="threeDotsIconSmall js-thinDropdownArrow"></a>
	<div class="tooltipPopup commentActionsPop noHeader js-commentDropDownOptions displayNone">
		<div class="addRow js-option share">
			<a href="javascript:void(0);" class="js-commentSharePopup" data-cid="{commentID}" data-curl="{commentLink}"><span class="smallShareIcon middle"></span>Share</a>
		</div>

<div class="js-option addRow follow">
            <div class="js-follow-post-button" data-reg_ep="follow comment">
                <span class="alertfollowIcon middle"></span>Follow this post            </div>
            <div class="js-unfollow-post-button displayNoneImp">
                <span class="alertUnfollowIcon middle"></span>Unfollow this post            </div>
        </div>

<div class="addRow js-option save"  data-reg_ep="save comment">
		<a href="javascript:void(0);" class="js-save-item-btn" data-item-type="comments" data-item-id="{commentID}">
			<i class="saveItemBigIcon middle"></i>
			Save		</a>
	</div>
	<div class="addRow saveItemsConfirmation noHover displayNone js-saveItemResult">
		
<div class="content js-saveItemSuccess displayNone">
	<span class="mediumGreenSuccessIcon"></span><span>Saved. See <a href="/members-admin/saved-items" target="_blank">Saved Items</a>.</span>
	<a href="javascript:void(0);" class="bugCloseIcon js-close"></a>
</div>
<div class="content js-saveItemAlreadySaved saveItemAlreadySaved displayNoneImp">
	<span>This comment has already been saved in your <a href="/members-admin/saved-items" target="_blank">Saved Items</a></span>
	<a href="javascript:void(0);" class="bugCloseIcon js-close"></a>
</div>
	</div>

<div class="addRow shareButtons js-sharePopup displayNone">
			<div class="js-shareComment"><span class="js-shareCommentSpan"></span></div>
		</div>
	</div>
</div>
                 <div class="commentAuthor js-comment-by-author"><span class="commentAuthorIcon"></span>Author's response</div>             </div>
		<div id="commentText-{commentID}" class="js-text-wrapper commentText withImage">
							<div id="commentBigChart{commentID}" class="commentBigChart js-comment-chart" onclick="openViewChartPopup('{commentID}')">
					<img src="https://d71-invdn-com.investing.com/comments_images/{commentImage}" alt="{commentAlt}">
					<i class="newMagnifyChartIcon"></i>
				</div>
						<span class="js-text">{commentContent}</span>
			<div class="clear"></div>
							<div class="commentButtons js-not-master-user">
					<a href="javascript:void(0)" class="reply js-reply-btn" data-real-parent-id="{commentID}" data-to-user-name="{username}" data-to-user-id="">Reply</a>
					<div class="inlineblock likeDislikeBox js-like-dislike-box" data-item-id="{commentID}">
	<input class="js-like-checkbox" type="checkbox" name="option" value="Yes" id="like_{commentID}">
	<label for="like_{commentID}" class="like" title="I agree"></label>
	<span class="numOfLikes js-like-count lighterGrayFont">0</span>
	<input class="js-dislike-checkbox" type="checkbox" name="option" value="No" id="dislike_{commentID}">
	<label for="dislike_{commentID}" class="dislike" title="I disagree"></label>
	<span class="numOfDislikes js-dislike-count lighterGrayFont">0</span>
</div>

<div class="reportComment js-flag float_lang_base_2">
                            <a href="javascript:void(0);" id="commentFlag_{commentID}">
                                <span class="reportCommentIcon middle"></span><span class="inlineblock middle">Report</span>
                            </a>
                        </div>
                    				</div>
					</div>
	   </div>
	</div>
	</div>			</div>
			<div id="reply">
				
    <div class="commentReply js-comment js-comment-reply" data-comment-id="{commentID}" id="comment-{commentID}" data-user-id="">
		<div class="commentInnerWrapper"><a href="{userLink}" class="js-user-link"><img src="{userImage}" width="33" height="33" alt="{usernameAlt}" class="img" onerror="this.src='https://i-invdn-com.investing.com/defaultUserMaleTmp.png';"></a><div class="commentBody js-content">
            				<span class="commentUsername">
					<a href="{userLink}" class="commentUsername js-user-link js-user-name" onMouseOver="">{username}</a>
				</span>
                        <span class="js-date" comment-date="{dateFormat}" comment-date-formatted="{dateFormatted}" title="{dateTitle}">Just Now</span>
			 <div class="commentAuthor js-comment-by-author"><span class="commentAuthorIcon"></span>Author's response</div> 			<div class="commentDropDown js-commentDropDownWrapper " data-user-id="" data-cid="{commentID}">
	<a href="javascript:void(0);" class="threeDotsIconSmall js-thinDropdownArrow"></a>
	<div class="tooltipPopup commentActionsPop noHeader js-commentDropDownOptions displayNone">
		<div class="addRow js-option share">
			<a href="javascript:void(0);" class="js-commentSharePopup" data-cid="{commentID}" data-curl="{commentLink}"><span class="smallShareIcon middle"></span>Share</a>
		</div>

</div>
		<div id="commentText-{commentID}" class="js-text-wrapper commentText withImage">
							<div id="commentBigChart{commentID}" class="replyBigChart displayNone js-comment-chart">
					<img src="https://d71-invdn-com.investing.com/comments_images/{commentImage}" alt="{commentAlt}">
					<i class="newMagnifyChartIcon"></i>
				</div>
				<span id="commentSmallChart{commentID}" class="commentSmallChart pointer js-comment-chart" onclick="openViewChartPopup('{commentID}')">
                    <img src="https://d71-invdn-com.investing.com/comments_images/{commentImageSmall}" width="116" height="52" alt="{commentAlt}">
                    <span class="chartMagnifyOverlay displayNone"></span>
                    <span class="searchGlassIcon chartMagnify displayNone"></span>
                </span>
						<span class="js-text">{commentContent}</span>
			<div class="clear"></div>
							<div class="commentButtons js-not-master-user">
					<a href="javascript:void(0)" class="reply js-reply-btn" data-real-parent-id="{commentID}" data-to-user-name="{username}" data-to-user-id="">Reply</a>
					<div class="inlineblock likeDislikeBox js-like-dislike-box" data-item-id="{commentID}">
	<input class="js-like-checkbox" type="checkbox" name="option" value="Yes" id="like_{commentID}">
	<label for="like_{commentID}" class="like" title="I agree"></label>
	<span class="numOfLikes js-like-count lighterGrayFont">0</span>
	<input class="js-dislike-checkbox" type="checkbox" name="option" value="No" id="dislike_{commentID}">
	<label for="dislike_{commentID}" class="dislike" title="I disagree"></label>
	<span class="numOfDislikes js-dislike-count lighterGrayFont">0</span>
</div>

Are you sure you want to delete this chart?

Delete Cancel

Post

Replace the attached chart with a new chart ?

Replace Cancel

1000

Comment Guidelines

Your ability to comment is currently suspended due to negative user reports. Your status will be reviewed by our moderators.

Please wait a minute before you try to comment again.

I feel that this comment is:

Spam

Offensive

Thank You!

Your report has been sent to our moderators for review

More Categories

1D1W1M6M1Y5YMax

South Africa Top 40	103,257.69	-501.02	-0.48%
S. Africa 40 Futures	103,210	-289	-0.28%
US 30	52,373.5	+163.9	+0.31%
US 500	7,475.3	+37.3	+0.50%
US Tech 100	28,178.2	+71.9	+0.26%
DAX Futures	25,710.0	+52.0	+0.20%
Dollar Index	99.79	+0.07	+0.07%

Gold	4,098.60	-62.00	-1.49%
Silver	57.830	-1.187	-2.01%
Crude Oil WTI	86.80	+3.21	+3.84%
Brent Oil	87.93	+1.05	+1.21%
Natural Gas	2.831	+0.032	+1.14%
Copper	6.5100	+0.0300	+0.51%
US Corn	463.75	-4.75	-1.01%

USD/ZAR	16.5488	+0.0520	+0.32%
EUR/USD	1.1528	0.0000	0.00%
GBP/USD	1.3482	+0.0016	+0.12%
USD/JPY	157.58	-1.96	-1.23%
GBP/JPY	212.45	-2.38	-1.11%
USD/CAD	1.4019	+0.0008	+0.06%
AUD/USD	0.7023	-0.0004	-0.06%

Nampak	44,139	+439	+1.00%
MTN	20,497	-2494	-10.85%
Standard Bank	32,922	+220	+0.67%
FirstRand Ltd	9,868	+123	+1.26%
Capitec	471,409	+5437	+1.17%
African Rainbow Minerals	16,934	+417	+2.52%
Naspers	86,748	+1057	+1.23%

Recent Quotes

Name	Price	Chg.	Chg. %
RMBS	91.03	+1.45	+1.62%
MCUh	0.0950	0.0000	0.00%
COOT	0.380	-0.012	-3.06%

Market Movers

Name	Last	Chg. %	Vol.
Sibanye Stillwater	3,588	-2.02%	46.69M
MTN	20,497	-10.85%	16.18M
FirstRand Ltd	9,868	+1.26%	16.17M
AngloGold Ashanti ADR	125,155	-5.39%	2.66M
Gold Fields	53,780	-1.67%	2.54M
Naspers	86,748	+1.23%	1.79M
Capitec	471,409	+1.17%	300.17K

Name	Last	Chg. %	Vol.
Labat Africa Ltd	3	+50.00%	49.13M
Primeserv Group Ltd	295	+9.26%	47.46K
Hulamin	190	+9.20%	653.74K
Lesaka Tech	8,500	+7.59%	1.86K
Brait	228	+5.56%	996.98K
Delta Property Fund	42	+5.00%	250.02K
Sea Harvest	850	+4.94%	84.46K

Name	Last	Chg. %	Vol.
Gemfields	62	-11.43%	45.23K
MTN	20,497	-10.85%	16.18M
Southern Palladium	1,625.00	-7.14%	62.68K
AfroCentric Investment Corp	77	-6.10%	0.50K
Salungano	85	-5.56%	332.09K
AngloGold Ashanti ADR	125,155	-5.39%	2.66M
Nutun	84	-4.55%	600.16K